去掉品牌如果图片不存在的情况

helper/category_helper.php

@@ -185,8 +185,11 @@ class brand_helper
 
             $brands = [];
             foreach ($items as $brand) {
-                $brand['brand_logo'] = UPLOAD_SITE_URL . $brand['brand_logo'];
-                $brands[] = $brand;
+                $image = UPLOAD_SITE_URL . $brand['brand_logo'];
+                $ret = getimagesize($image,$info);
+                if($ret != false) {
+                    $brands[] = $brand;
+                }
             }
             $block = special_helper::format_grid_brands($brands);
             wcache("brandex", array("brands" => serialize($brands),"block" => serialize($block)), $prefix);